Curriculum Vitae

name: Thomas Boor

born: 08.08.1959

education: electrical engineering studies education as business programmer

it experience since: 1988

design methods: Objectoriented analysis & design with UML a.o.Structured Analysis and Design with ISOTEC,Databasedesign (ER-Modelling)

hardware: IBM DataBlades, Sun Fire, Sun Netra,

SNI RM- & MX-Series, IBM RS/6000-SP2, SUN SPARCstation10/20NIXDORF TARGON /35, IBM /370, PCs

operating systems: AIX (up to 6.3), Sun-Solaris 10, Linux (Ubuntu 12, Mint, Arch-Linux, SuSe-Sles11/12), SINIX SVR4 (up to Rel. V.4.3),UNIX SVR3, DG-UX 5.4, SCO-UNIX 3.2, SunOs 5.4,MS-DOS/WINDOWS, VM/SP, MVS/ES

programming languages: C++, C, Python 2.6, Java 1.7, php, Cobol

Protocols: SIP, SDP, RTP, RTCP, Radius, SNMP, http, Soap

networking: TCP/IP, BSD-Sockets, ONC-RPCs, RMI/JNDI, CMX

database-systems: DB2, Informix Online up to 10.0, Oracle 7.3, Postgres, mySQL, ddb4, CICS, VSAM, MS-SQLServer, MS-Access

development tools: Eclipse-SDK, Sun-Forte-IDE, Together, Rational Rose, dia(UML-Tool) SNiFF+/Emacs, div. UNIX-Shells & tools, idle

publications: PolarPlot - Plotten von Funktionen in Polarkoordinatenmit Sharp PC-1500/CE-150Würzburg, 1987 (Vogel-Verlag, NE: T.Eikenkötter)

vi-Referenzhandbuch -Das Lehr- und Nachschlagewerk zum UNIX-StandardeditorMünchen, 1996 (Verlag Prentice Hall, NE: Hutter/Pribas)

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projects

(last recent first)

Design and Development of a Application Server for IOT (internet of things)Customer: IBM Deutschland GmbH (IBM IP-Factory)Trade: TelekommunikationRole: Architect of development, Team with 3 developersSoftware-Design with UML, Development in C++ under Linux of an application-server for the "internet of things", where up to 100.000 sensors/actors are connected to via gateways (fritzbox, raspberry, LORA-wireless net) and can be monitored via SIP-SUBSCRIBE oder controlled via SIP-MESSAGE by an arbitrary number of clients.Communication with sensores/actors encoded in JSON, communication with monitoring clients using XML-Bodies in SIP-NOTIFYs.Multithreaded-Solution.Duration: 3 Month (10/2015- 12/2015)OS: LinuxHardware: Standard-PCsProgramminglanguages: C++Versioning: gitTools: umbrella, gerrit, jenkins

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Design and Development of a Status-Monitors for PBXes connected to a SIP-TrunkCustomer: IBM Deutschland GmbH (IBM IP-Factory)Trade: TelekommunikationSoftware-Design with UML, Development in C++ under Linux.Application-Server, which receives DIAMETER-Requests of type LIR; submits a request at a Registration-Service to retrieve the connection and registration-state of the addressed PBX and transforms the response to a DIAMETER-Answer of type LIA, sent to the original requestor of the LIR. Multithreaded-Solution.Duration: 4 Month (06/2015- 09/2015)OS: LinuxHardware: Standard-PCsProgramminglanguages: C++Versioning: gitTools: umbrella, gerrit, jenkins

Extension of a SIP-Provider-Solution to support PBXes as SIP-TrunksCustomer: TSI GmbH, managed by IBM IP-FactoryTrade: TelekommunikationExtend existing VoiP-Server to act as a SIP-Trunk for hosted PBXes with features like

ChefSec (Dialog-Subscriptions) Closed User Groups Black/White-Lists Simutaneous Ringing Call-Forwarding Explicit Call Transfer Call Pickup PBX-specific Emergency-Calls TLS-Communikation DSCP-QoS static contacts Bulk-Register acc. to RFC6140 Maintenance-Announcements with a MRF Video- und Fax (T38) Support

Duration: 10 Month (09/2014- 06/2015)OS: LinuxHardware: Standard-PCsProgramminglanguages: C++Versioning: gitTools: gerrit, jenkins, phabricator, jira

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Enable DS-Field-Support (QoS) in some Communications-LibrariesCustomer: TSI GmbH, managed by KONTIPTrade: TelekommunikationEnabled setting of DSCP/TOS once on newly created communication-connections or asAncillary-Data for Per-Paket-Qos, with IPv4 and IPv6. For ancillary-Data detection code on receiver-side (IPV6_RECVTCLASS, IP_RECVTOS) by parsing the cmsghdr.Applied libraries for TCP, UDP, Radius, Diameter, http, MGCPDuration: 2 Month (08/2014- 09/2014)OS: LinuxHardware: Standard-PCsProgramminglanguages: C++Versioning: gitTools: gerrit, jenkins, phabricator, jira

Rework of an existing MRF (IMS-Media Ressource Function)Customer: terravoice.eu, managed by KONTIPTrade: TelecommunicationRework of an existing MRF with lots of new features

IPv4 & IPv6 Streams from one application process dynamic memory management for local media files Proxiing Unicast-Live-Streams IGMP-Multicast-joins to proxy T-Home-Entertain-Media as Unicasts Writing of RADIUS-Accounting Packets Handling of Pinhole-Requests, to open Firewall-Connection (local IP/Port and remote IP/Port) Test-Website using webrtc, ajax, javascript and Java-applet to send a pinhole request from users

machine DSCP (Differentiated services code point) settings per configuration to fulfill QoS requirements.

Duration: 5 Months (03/2014 - 07/2014)Operating systems: LinuxHardware: IBM power pcs, Standard-PCsProgramming language: C++Versioning: git

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Re-writing of a phone-number-porting-server for up to 200 millions of numbersCustomer: DTAG, managed by IBMTrade: TelecommunicationRe-Design and re-development of a porting-server, which was based on DB/2 before.Because of the huge number of entries to be managed and the required performance-boost a BigData-solution (totally InMemory instead of a rel. DB) was choosen.Servers are cascaded in a tree to act as a cloud.Functional and regression-tests written also in C++, part. using the boost-libraryDuration: 6 Months (10/2013- 02/2014)Operating systems: AIX, LinuxHardware: IBM power pcs, Standard-PCsProgramming language: C++Versioning: git

Launch of an Onlineshop for a Bicycle-StoreCustomer: Radhaus BürgstadtTrade: RetailEvaluation of some free CMS. Final decisions to use Shoppingcart (opensolution.org).Translation (from en to de), Code-maintaining, versioning. New Graphic-themes, Payment-Types,Administration-Tool and more.Editing of Diashows for retailers youtube-channel.Duration: 2 Month (08/2013 – 09/2013), part time projectOperating-Systems: Ubuntu-Linux, MS-Windows-7Hardware: Standard-PCsProgramming-languages: phpVersioning: gitTools: shoppingcart, gimp, Typo-3

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Evaluation of nested Virtualization using vmware hypervisor ESXiand Platform-DeploymentCustomer: NGN FactoryTrade: TelecommunicationsEvaluation of vmware-Hypervisors (ESXi-5.0 and 5.1) to check their ability to run nested.The reason for nesting: to deploy a complex platform wirh n-locations and m-hosts on one physical machine to reduce hardware expenses.Branches of the nesting tree:ESXi-5.0 -> ESXi-5.1 -> VM(with SuSe-sless11/64)ESXi-5.0 -> ESXi-5.0 -> VM(with SuSe-sless11/64)ESXi-5.1 -> ESXi-5.0 -> VM(with SuSe-sless11/64)Deployment of applications on the Vms at the leafs.Duration: 4 Month (06/2013 - 09/2013)Operating-Systems: vmware ESXi, SuSe-sles11Hardware: IBM System X, Windows-PCs f. VSphere-Client / PowerCLIProgramming-languages: powershellVersioning: gitTools: IBM IMM, vmware-vSphere-Komponenten (Server, Motion,..)

Extension of Application-Monitoring for a distributed Internet-Access-PlatformCustomer: DTAG, managed by IBMTrade: TelecommunicationsDesign and development of monitoring components for new applications and hosts of the platfrom.Central components interacting with TIVOLI-NETVIEW (for graphical presentation of the platform-status) written in C and Rexx, running under IBM z/OS. Remote components written in perl, running under z/OS, zOS-UNIX, zLinux, AIX and SuSe-Linux, which invoke snmp-commands to retrieve MIB-OIDs or which invoke requests of the monitored applications to measure avalability, rúntime & latency and failure rates.Definition of new Views and groups in TIVOLI for the new monitorng-components.

Duration: 6 Months (01/2013 - 06/2013)Operating-Systems: IBM-z/OS, z/OS-UNIX, zLinux, AIX, SuSe-LinuxHardware: IBM 3090, IBM Power 7, Standard-PCsProgramming-languages: C, Rexx, perlVersioning: ClearCase, git

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Extension of a SIP-Stacks to provide Geodata-based Emergency-callsCustomer: DTAG, managed by IBMTrade: TelecommunicationsNew SIP-Headers: Geolocation, Geolocation-Routing and User-to-User to provide emergency-calls according to callers location in a IMS-oriented, SIP-based VoIP-System following rfs / drafts like http://tools.ietf.org/html/rfc6442 and http://tools.ietf.org/html/draft-ietf-cuss-sip-uui-reqs-09.Duration: 3 Months (10/2012- 12/2012)Operating systems: AIX, LinuxHardware: IBM power pcs, Standard-PCsProgramming language: C++, lua, perlVersioning: git

Testsuite to prove and measure RTP-Connections over Media-GatewaysCustomer: DTAG, managed by IBMTrade: TelecommunicationsWriting of a toolset, that proves the availability of such a RTP-Connection (with D/A – and A/D-Conversion) and that measures runtime, latency and usage of jitter-buffers.Duration: 3 Weeks (09/2012)Operating systems: LinuxHardware: Standard-PCsProgramming language: perlVersioning: cvs

Rewrite of a LDAP-Client with authorization moduleCustomer: DTAG, managed by IBMTrade: TelecommunicationsRewrite with new authorization module, Test against a open-ldap server with private and global dictionary.Duration: 2 Weeks (08/2012)Operating systems: LinuxHardware: Standard-PCsProgramming language: C++Versioning: git

Writing of a function-set to reduce rsp. to expand SIP-History-Info to ensure topology-hidingCustomer: DTAG, managed by IBMTrade: TelecommunicationsReducing of History-Info to forwarding-related information to the targeted principal, excluding forking- and simring-informations regarding targetetd or other users.Duration: 2 Months (07/2012- 08/2012)Operating systems: AIX, LinuxHardware: IBM blades, Standard-PCsProgramming language: C++Versioning: git

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Design and implementierung of a SIP-SUBSCRIBE-Servers in python to do cyclic notifications of MIB-Counters via SIP-NOTIFYCustomer: DTAG, managed by IBMTrade: TelecommunicationsSubscribe-Server in python using packets like Zope, Twisted and SipSimple. Retrieving MIB-Counters via snmpbulkwalk. Definition of two Event-Packages to send valid bodies with 'MIB over SIP'-content.Duration: 1 Months (06/2012)Operating systems: AIX, LinuxHardware: IBM blades, Standard-PCsProgramming language: python Versioning: git

Design and implementation of a PHP-Framework for easy creation of web-based text-adventures with support for graphics, video-clips and sound.Customer: n.a.Trade: n.a.Framework written in In php, which reads php-stylish configuration files and creates interactive web-applications.This framework was written as a tool for the students of the university of Darmstadt.Duration: 1 Month (05/2012)Operating systems: Windows-7, LinuxHardware: Standard-PCsProgramming language: php

Planing, Design and implementation of a graphical Supervisor-app for a distributed VoIP-SolutionCustomer: DTAG, managed by IBMTrade: TelecommunicationsDesign of an android-app according to the MVC-Paradigm(Model-View-Contoller) withand underlying TransportAbstractionLayer for http and SIP-SUBSCRIBE to receive MIB-based-Information from the distributed system like SIP-Status-Codes, Dialog-States a.o..Visualization of Live- and History-Data with android-typical-haptic (Finger-Zoom, Slider, long-tabbing-popups) with different Displaymodes (Polygons, Bar- and Piecharts and others) for1 to n Server-Nodes.Development of: Model- and Transport-Layer.Duration: 4 Months (01/2012 - 04/2012)Operating systems: android 3.1, Linux, AIX Hardware: Motorola XOOM, Linux-Cubes, IBM-BladesProgramming languages: Java 1.7 (app), python 2.6 (Serverside)Versioning: gitTools: eclipse (Indigo)

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Concept and Implementation of an internal ApplicationServer for a VoIP-SystemCustomer: DTAG, managed by IBMTrade: TelecommunicationsDevelopment of an internal Application-Servers (AS) to remove, insert or change Sip-Headers according to a given configuration.(E.g.: insertion of a 'Accept-Language'-Header acc. to the configuartion of the caller.)Using RadixTrees to do best matches for number ranges or domains in conf.Duration: 2 Months (11/2011 - 12/2011)Operating System: Linux, AIX Hardware: power6, Linux-CubesProgramming language: C++Versioning: gitTools: asciidoc, oodraw, umbrella, eclipse

Concept of a IMS-conformant SIP-MMTel-AS (Multi-Function AS)Customer: IBM NGN CCTrade: TelecommunicationsWriting of a concept for a MMTel-Server, to provide multiple application-functions with only on SIP-Call. Adressing of the application-frunctions by meta-service-keys.Tracking the invocations of the functions for requests and responses by so called chain-objects, respecting the functions needs of invocation (only initial request, initial transaction oder complete dialog).Duration: 2 Months (09/2011 – 10/2011)Tools: asciidoc, git, oodraw, umbrella

Writing of lua testscripts for a VoIP-SolutionCustomer: IBM NGN CCTrade: TelecommunicationsDevelopment of testscripts to simulate complex scenarios in a VoIP-Platform incl. Forking, Call-Forwarding and Simutaneous Ringing using a C++-coded SipStack providing transactions, dialogs and call-handling.Duration: 2 Months (07/2011 - 08/2011)Operating System: LinuxHardware: Linux-CubesProgramming language: lua, C++Versioning: git

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IPv6-Support for applicationsCustomer: IBM NGN CCTrade: TelecommunicationsIntroducing of an INET-Adress-Object that manages IPv4 and Ipv6-Adresses. Testing of extened applications in mixed mode, using applications and clients withIPv4 and Ipv6-Adresses.Duration: 1 Month (06/2011)Operating System: AIX, LinuxHardware: power6, Linux-CubesProgramming language: C++, perlVersioning: git

Design and implementation of an application-supervising toolCustomer: IBM NGN CCTrade: Telecommunicationstool, to do cyclic

gathering via SNMP MIB-based Informations with formatting tables and substitution of magic OIDs with human readable text

creating diffs between syslog-output to previous ones Delta-Monitoring of applications memory-management do allow measuring of

memory needs of specific operations (indicated by the MIBs) and to detect memory-leaks

Duration: 1 Month (05/2011)Operating System: AIX, LinuxHardware: power6, Linux-CubesProgramming language: python Versioning: git

Design of a CSTA-Servers as a gateway to a SIP-platformCustomer: IBM NGN CCTrade: TelecommunicationsSoftwaredesign (Components, Moduls, Interfaces) of a CSTA-Server to access single SIP-UserAgents (e.g. Phones) from CTI-Clients.Usecases:

Phone-Setting (Mute, Volume-setting, ...) Call-Functions (Call, Calltransfer, Hold, ...) Provisioning (DoNotDisturb, Call-Forwarding, ...)

Component-orientierted architecture with small Interfaces (Facettes)Role: AD (Architect of development)Duration: 1 Month (04/2011)Tools: OpenOffice, git

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Design and Implementation of an IMS-Media-Ressource-FunctionCustomer: IBM NGN CCTrade: TelecommunicationsIMS-conformant MRF to stream audio-/video-Assets, DTMF-detection, RTCP- Detection and proxying of voice data to a Voice Recognition system.Streaming targets can be single user agents or a collection of those (e.g. to feed amatrix of video displays).Mutlipexing of Live-Streams (aquired via RSTP) for IP-TV.Asset provisioning with a utility developed within this project.Split of mrf functions acc. to IMS standards into controller and processor layer whichmay run in n:m relation.Acces to this MRF via SIP-INVITE or with a library-function.Role: AD (Architect of development) with four developersDuration: 6 Month (10/09 – 03/2011)Operating System: AIX, LinuxHardware: power6, Linux-CubesProgramming language: C++Versioning: gitIDE/Tools: scons, OpenOffice, asciidoc, doxygen, ClearQuest/Case, gstreamer, vlc

Developement of a graphic tool for the Internet-Domain http://www.wheesl.comCustomer: n.a.Trade: n.a.Developemnt of a tool to convert still images in jpg-format into different resolutionswith applying (visible) watersigns (indicating cc-sa-licence) and (invisible) steganograficauthentification stamps to proove publishers ownership.Duration: 1 Month (12/2010)Operating System: LinuxHardware: Linux-DesktopProgramming language: CVersioning: gitIDE/Tools: vi, libjpeg

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Design and development of a dynamic Memory-ManagementsCustomer: IBM NGN CCTrade: TelecommunicationsAn existing Media-Resource-Server (MRS) had to be extended by a dynamic memory-management to acess assets partially in a multi-user-environment.Slice-wise memory-access to read ahead lots of packest at once.posix_fadvise-calls to animate the Disk-Controller ro prefetch soon needed data into the filecache.Duration: 2 Months (09/2010 - 10/2010)Operating system: AIX 6, LinuxHardware: AIX-Power-PC auf Blade-Center, Linux-DesktopProgramming language(s): C++Versioning: gitIDE/Tools: vi, scons, gstreamer, vlc, wireshark

Extension of an existing AS to provide Dialog-Susbcriptions on groupsCustomer: IBM NGN CCTrade: TelecommunicationsAn existing Application-Server, which provided DIALOG-Subscriptions acc. toRFC-4235 had to be extended to provide DIALOG-Subscriptions on groups of principals.Definition of groups by new database-tables. Evaluation of group-profiles instead of single principal-profiles to control access on information.Duration: 2 Months (07/2010 - 08/2010)Operating system: AIX 6, LinuxHardware: AIX-Power-PC on Blade-Center, Linux-DesktopProgramming language(s): C++Versioning: gitIDE/Tools: vi, scons, VoIp-Phones (snom, OpenStage, Grandstream)

Developement of an application to read mifare-classic-RFID cardsCustomer: IBM NGN CCTrade: TelecommunicationsDevelopemnt of a program to acces a Pegoda-Reader via usb and use it to read RFID-Card-Data of mifare-classic-chips. Reader compiled with a MIPS-crosscompiler to run embedded in a FritzBox (internet/wlan router).On statechange a info html-page is updated and a SOAP-request to a WebApplicationServer is submitted.Duration: 1 Month (06/2010)Operating system: LinuxHardware: Linux-desktop, fritzbox with MIPS-CPUProgramming language(s): CVersioning: gitIDE/Tools: make

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Development of a Back2Back-Useragents to Communicate with an IMS-MRFCustomer: IBM NGN CCTrade: TelecommunicationsTo use an IMS (Internet-Multimedia-Subssystem)-conformantMRF (Media-Resource-Funktion) to play announcements and to collect user-responses (via DTMF or speech) had a minimal b2bua to be created, to seperate the dialogs from the application to the MRF from the dialog held with the caller. This had to be done, as the MRF only can operate with established dialogs, while the communiaction with the caller had to take place in Early-Dialog mode.Develpoment of a Sip-InviteClient to contact the MRF. Once the SIP-Dialog is establiched, the application controls the MRF via in-dialog INFO Requests with the MRF responding as well using in-Dialog-INFO-Messages.Early-Media-Simulation within the b2buaDuration: 1 Month (05/2010)Operatin System: AIX 6.1Hardware: IBM power6 blade centerProgramming language: C++Versioning: gitIDE/Tools: scons, OpenOffice, asciidoc, doxygen, ClearQuest/Case

Design & Implementaion of a Call-Completion Application-Server for IMS-oriented VoIP-SystemsCustomer: IBM NGN CCTrade: TelecommunicationsDesign and Implementation of a distrubuted IMS-Application-Server for CallCompletion in a VoIP-System supporting non-SIP equipmentIMS-conformant AS for network based CallCompletion (CCBS, CCNR, CCNL) supporting equipment from PSTN-world according to http://tools.ietf.org/html/draft-ietf-bliss-call-completion-04with agent- and server-side.Communication with other SIP-Servers to track user busy states acc. Rfc-4235 andregistration states acc. to rfc-3680.Using of an IMS-conformant Media Ressource Function to do Announcements and aThird Party Callserver to fullfill call completions connecting caller and callee.Role: AD (Architect of development) with nine developers.Duration: 9 Months (08/09 – 04/2010)Operating system: AIX, LinuxHardware: power6DB: DB2 Version 9Programming language(s): C++Versioning: gitIDE/Tools: scons, OpenOffice, asciidoc, doxygen, ClearQuest/Case

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Design ans implementation of an IMS-conformant Application-ServerCustomer: IBM NGN CCTrade: TelecommunicationsIMS-conformant AS for user-related Features with flexible Service-Orchestration. Dialog-Status-Tracking according to RFC-4235. First Features: Dialog-Subscriptions to enable Call-Completion, storage of Call-Lists to feature 'Spit-Blocking'.High availability and dynamic load balancing.New Design-Patterns: ComponentRepository and ComponentMediator.Role: AD (Architect of development) with 8 developers.Duration: 6 Months (01/09 – 06/09)Operating system: AIX, LinuxHardware: power6DB: DB2 Version 9Programming language(s): C++Versioning: gitTools: scons, OpenOffice, asciidoc, doxygen, ClearQuest/Case

Design and implementation of a Media-Resource-Server for RTP-StreamsCustomer: IBM NGN CCTrade: TelecommunicationsDesign of parallel and fast working media-server to provide more than 1000RFC-3550-compatible RTP-Streams with one process under Linux.Povray-rendered demo video-clips to be copyright-free.Duration: 4 Months (08/08 – 11/08)Operating system: LinuxProgramming language(s): C++, pythonVersioning: gitTools: OpenOffice, asciidoc, doxygen, povray

ETSI-Application Server for Dialog-Subscriptions according to RFC-4235Customer: IBM NGN CCTrade: TelecommunicationsDesign and implementation of an etsi-compliant application server for Dialog-Subscriptions to provide functions like call completion, call pickup and informational notifies.Documentation with asccidoc, held in the git-repository of the project.Duration: 6 Months (02/08 – 07/08)Operating system: AIX 5.3Programming language(s): C++Versioning: gitTools: OpenOffice, ClearCase, asciidoc, doxygen

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Extension of a VoIP-Proxy/-Server to a PBXCustomer: IBM NGN CCTrade: TelecommunicationsImplementation of pbx-functions for the existing VoIP-Server-Solution like Display-Rewriting, Geo-Services and others.Writing of Design-Papers with OpenOffice, Sourcecode-documentation with doxygen.Duration: 5 Months (09/07 – 01/08)Operating system: AIX 5.3Programming language(s): C++Database: DB2 Version 9Versioning: gitTools: OpenOffice, ClearCase

Security Module for german telcosCustomer: IBM NGN CCTrade: TelecommunicationsDesign and implementation of a ......-Modul to meet latest lawful restrictions.Feed of the interception orders with a SOA-server.Duration: 3 Month (06/07 – 09/07)Operating system: AIX 5.3, ubuntu-LinuxProgramming language(s): C++Database: DB2 Version 9Versioning: gitTools: OpenOffice, ClearCase

Serverprogramming for VoIP, Instant Message and PresenceCustomer: IBM NGN CCTrade: TelecommunicationsDesign and implementation of system- and networking-software in C++ under AIX and Linux.Establishing a wikitool (mediawiki) as documentation-root.Implementation of a testdriver for a SOAP-Server, validating the SOAP-responses against multiple XML-schemes (.xsd-files).Duration: 9 Months (09/06 – 05/07)Operation system: AIX 5.3, ubuntu-LinuxProgrammin language(s): C++, Python 2.4DB/DC: DB2 Version 9IDE/Tools: cvs, git, OpenOffice, ClearCase

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Development of an Intranet-Tool for a Web-based payment-systemCustomer: Ticketcorner AGTrade: TicketingDesign of the user interface as a part of the technical documentation. Standalone-Tool in python to invoke the functions ‘authorize’, ‘commit’ and ‘retrieve’ with http or https.Definition of the database relations for retrieval. Duration: 2 Months (05/06 – 06/06)operating system: debian-Linux, Windows XPprogramming languages: Python 2.4Database: mySQL 5.0IDE/Tools: Idle, cvs

Development of a gateway to transmit RFID-carddata to an admittance systemCustomer: Qivive GmbHTrade: TicketingDesign of the interface, UML-design papers, Programming of an asnychronous gateway to transmit the RFID-Data as whitelist data.Duration: 1 Month (05/06)operating system: Sun-Solaris 10programming languages: C++Database: Postgres 10IDE/Tools: Eclipse 3.0, cvs

Design and implementation of a WebService for an internet distribution systemCustomer: Qivive GmbHTrade: TicketingDesign of the WebService-Interface according to the features of the distributing system.Setup of the technical infrastruture with tomcat-webcontainers and axis-SOAP-engines.Programming of the WebServices as an ejb-client to an ATG-web- and EJB-container.Testdrivers in java and python. Unittests with java, loadtesting with python-clients.Writing of an executive summary, interface description, testcase collections and installation guide with openoffice.Duration: 13 Months (02/05 – 03/06)operating system: Sun-Solaris 8, Windows XPprogramming languages: java 1.4, Python 2.3Database: Informix 9.1IDE, tools: Eclipse 3.0, ant, tomcat, axis, xerces, versioning with cvs

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Software development for an internet application, search and payment modulesCustomer: Qivive GmbHTrade: TicketingDevelopment for an internet application, programming of a fast searchengine with different search criterias and flexible handling of the search results. Programming of all components from the JSP-sceendefinitions down to the database.High performance due to the absence of any EJBs.Enhancement of the payment solution for an access to the Swiss Post.Duration: 4 Months (10/04 - 01/05)Operating system: Sun-Solaris 8Programming languages: java 1.3.1IDE/Tools: Sun-Forte, ant, CVS

Design and implementation of a document generator Customer: Qivive GmbHTrade: TicketingDesign of a meta-language to be embedded into programm code of different languages to generate program documentation out of the sources.Imbedding of external images and textual information. Output as pdf documents.Duration: 4 Months (05/04 - 09/04)Operating system: MS-Windows-XPProgramming languages: Python 2.2IDE/Tools: Python-IDE “Idle”,

Reportlab-Toolset for PDF

Programming of an videograbber with motion detectionCustomer: n.a.Trade: n.a.Coding of a videograbber (cyclic grabbing of still images) with persistance in the filesystem with the jpeg-library for a security company.Includes motion detection with several strategies for edge detecting, each realized as a decorator to be chained as configured.Edge detectors included: binomial laplace filter, roberts-cross-operator, erosion and dilatation.Configuration with a web-interface (python-scripts as cgi)Duration: 6 Months (11/03 - 04/04)Operating system: Suse-Linux Programming languages: C (due to customers requirement), python-cgi-Scripts

Porting and enhancement of a gateway between an inventory system and a distribution systemCustomer: Qivive GmbHTrade: TicketingPorting from Sinix to Solaris, enhancement of the design due to higher performance requested. Use of a new, fast cache-mechanism.Duration: 8 Months (08/02 - 03/04)Operating system: Sun-Solaris 8Programming languages: C++ incl. STLIDE/Tools: no IDE, Standard-UNIX-Tools, cvs

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Design and Implementation of a high speed cache under Solaris 8Customer: START Informatik GmbHTrade: TicketingDesign of a cache-mechanism usign ipc-ressources for administrative information and largefiles for the data. Combining of conventional hashing and of closed hashing.Access to the cache via api or network (tcp).Testprograms in C++ and python.Documentation of concepts, program and installation with html.Duration: 3 Months (04/02 - 06/02)Operating system: Sun-Solaris 8Programming languages: C++, Python 2.0

Implementation of a gateway between an inventory-system and the internetCustomer: START Informatik GmbHTrade: TicketingDesign of a distributed system with parallel access via tcp to the inventory system.Multiple communication processes on different hosts for easy scalability.Programming language independend interface (used wirh java, C++ and python-frontends).Programming in C++ (incl. STL) using different design patternsDuration: 9 Months (07/01 - 03/02)Operating system: SINIX V.4Programming languages: C++

Design and implementation of a multiplexer to connect more than 8000Windows-Clients to an UNIX-applicationCustomer: START Informatik GmbHTrade: TicketingDesign with UML of a multiplex-system to meet the needs of the quantity structure with lowest ressource-usage (less than 50 communication processes).Programming in C++ without STL, some java-applets to visualize the systems state.Python scripting to manage the documentation.Duration: 6 Months (01/01 - 06/01)Operating system: SINIX V.4Programming languages: C++, Java, Python

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Design and development of a systems library as an easy to use frameworkCustomer: START Informatik GmbHTrade: TicketingDesign of a library with the six packages:

Event (for event driven programming) InterProcessCommunication (OO-Wrapper for the operating system

mechanisms) Network (TCP, UDP and Stream-Sockets for C++ in a class hierarchy) Communication (universal communication classes for different layers) Processing (Framework to flow control) Contextdatabase (network database, realized with the above packages)

UML-Design, programming in C++ under Linux and ReliantUnix.Contextdatabase and other testprograms to demonstrate the usage of the framework.HTML-documentation with TogetherDuration: 4 Months (09/00 - 12/00)Tools: Together 4.1Operating system: Linux, ReliantUnix 5.4Programming languages: C++

Implemetation of a UNIX to host connection for the EXPO-2000Customer: START Informatik GmbHTrade: TicketingDesign and implementation of a gateway between a BS-2000 host and an UNIX-Ticketing-Systen.Communication via TCP/IP; Process model with a Dispatcher and multiple Co-Processes, running on a server-cluster.High performance requirements managed successful.Duration: 10 Months (11/99 - 08/00)Operating system: SINIX V.4Programming languages: C++

Writing of the WebPages for a horse-ranchCustomer: n.a.Trade: n.a.Writing of the static HTML-Pages, Converting of photos and movies from older media to electronic media.Managing of all the stuff from requesting the domain up to maintain the site in the first month. Training of the users.Duration: 2 Months (09/99 - 10/99)Tools: vi, PhotoImpact, RealVideoGen, ws-ftp

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Systemprogrammíng in a client-server projectCustomer: START Informatik GmbHTrade: TicketingDesign and implementation of different libraries to use UNIX-Mechanisms in C++, like record locking, streams, sockets and others. Programming of wrapper classes.Design of a tool to measure the program flow to analyze the performance of C and C++ leagcy systems.Writing the documentation as HTML for an intranet.Duration: 4 Months (05/99 - 08/99)Operating system: Linux, div. UNIX SVR4Programming languages: C++

Design of a POS-GatewayCustomer: START Informatik GmbHTrade: TicketingDesign of the gateway to connect an existing POS-Solution to a Ticketing-System. Definition of the interfaces.Production of UML-Diagrams for the system.Duration: 4 Months (01/99 - 04/99)Tools: Paradigm-Plus, Visio

Implementation of communication gatewaysCustomer: START Informatik GmbHTrade: TicketingDesign and implementation of a framework library to connect a UNIX-System to a BS-2000 host according to RFC1006 (ISO over TCP).Programming of some gateways based on that library.Leading the team of four developers.Duration: 3 Months (10/98 - 12/98)Operating system: SINIX SVR4.3Programming languages: C++ mit STL

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Systemintegration and regressiontest in a telecom projectCustomer: IBM Deutschland GmbHTrade: TelecommunicationsDefinition and writing of automated regression tests, programming of a generator to generate EDIFACT-datasets with the shell.Problem reporting with IBMs TeamConnection.Assessment of architecture and programming of an external partner.Duration: 9 Months (01/98 - 09/98)Operating system: AIX 4.1, Windows-NT 4.0DATABASE: Oracle 7.3BK-System: LotusNotes 4.6, TeamConnection V2.0, MS-Office 95

Buildup of the quality management for a software development projectCustomer: START Informatik GmbHTrade: TicketingDefinition of a software engineering process model specific to the company.Writing of the UML-based documentation templates for each phase.Constitution of quality rules, templates for testscenarios in four phases.Defining the programming styleguide for C++ and embedded sql.Conceptual design of a problem reporting tool.Management of the activities of the QM-group (6 staff members),Setup and leading of workshops and reviwes.Duration: 6 Months (07/97 - 12/97)

Design and implementation of a distributed message passing systemCustomer: START Informatik GmbHTrade: TicketingDesign of a distributed OLTP-system for UNIX-Systems.TCP/IP-network communication, inter process communication with shared memory (lockes with semaphores), process oberving and loadbalancing for parallel services.Design of an api-collection (with three abstraction layers) for the application programmers.Analysis and design with UML. Source-Management with SNIFF+, versioning with rcs.Writing of html documentation, shell generator to create man pages.Duration: 12 Months (07/96 - 06/97)Operating system: SINIX SVR4.3, SunOs 5.4, SCO-3.2, LINUXProgramming languages: C++

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Design of a clearing system for multiple mandatorsCustomer: START Informatik GmbHTrade: TicketingAnalysis in cooperation with the product management.Design of a light-weight-paradigma to realize clearing programs with C++ and esql-c.Programming of some clearing programs.Documentation in html.Duration: 9 Months (10/95 - 06/96)Operating system: SINIX SVR4.2DATABASE: Informix-Online 5.0Programming languages: C++, (INFORMIX-) ESQL/C

Integration of PointOfSales-Terminals into a ticketing systemCustomer: START Informatik GmbHTrade: TicketingAnalysis and Design with the Coad/Yourdon Model.Connecting the POS-Terminals via the serial interface, network communication with the acquirer via X.25Duration: 9 Months (01/95 - 09/95)Operating system: SINIX SVR4 (bis Rel. 2), SCO-3.2Programming languages: C++

Implementation of an adress administration for a local tourism organisationCustomer: TZH, HamburgTrade: TourismImplementation of an adress administration based on an existing midrange solution.Using MS-Access as database system with storage of the database on an unix host.Access of the Windows frontends to the database via PC-NFS.Design and programming of the MS-access application.Duration: 4 Months (09/94 - 12/94)Operating system: SINIX SVR4, MS-WindowsDATABASE: MS-ACCESS 2.0Programming languages: MS-ACCESS-BASIC

Design of the cubical pricing system for a ticketing systemCustomer: START Informatik GmbHTrade: TicketingDesign of the pricing system with sales and cancellation transactions.Objectoriented analysis and design with the Coad/Yourdon model.Definition of Classes and Interfaces, implementation of the system.Duration: 7 Months (02/94 - 08/94)Operating system: SINIX SVR4DATABASE: Informix-OnlineProgramming languages: C++

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Shellscript programming and setup of the software packaging with pkgCustomer: START Informatik GmbHTrade: TicketingPrograming of shell scripts. Writing of the pkg metafiles and of somes scripts to collect dynamically created files of the system.Duration: 4 Months (09/93 - 01/94)Operating system: SINIX SVR4 (bis Rel. 2), SCO-3.2

OLTP-System for several applications for a travel organizer Customer: START Informatik GmbHTrade: TicketingDesign and programming of a distributed OLTP-System with ist own ORB.Communication via TCP/IP and remote procedure calls.Duration: 18 Months (02/92 - 08/93)Operating system: SINIX SVR4, DG-UX SVR4, SCO-UnixProgramming languages: C++

User interface for a logistic systemCustomer: Siemens AGTrade: Transport / LogisticsDesign of the user interface with an 3GL toolDuration: 2 Months (12/91 - 01/92)Operating system: SINIX V.2DATABASE: Informix-SEProgramming languages: Rosi-SQL

Clearingsystem for an airlineCustomer: Condor Flugdienst GmbHTrade: Transport / LogisticsDesign and implementation of an clearing program to clear affiliated airlines.Duration: 3 Months (08/91 - 11/91)Operating system: AIXDATABASE: ddb4Programming languages: CTools: Quantum-Catcher, UniScreen, DR-GEM

Marketing-Information-System for an airlineCustomer: Condor Flugdienst GmbHTrade: Transport / LogisticsDesign and implementation of an customer information system with integrated adress marketing and mail services.Training for the users, Writing of an user guide.Duration: 9 Months (01/91 - 01/91)Operating system: UNIX SVR3, AIXDATABASE: ddb4Programming languages: CTools: UniScreen, DR-GEM, Standard-UNIX-Tools

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Clearing system for telecom servicesCustomer: IBM Deutschland GmbHTrade: TelecommunicationsWriting and executing of systemtest scenarios,programming JCL, CLISTs and Edit-Macros on an IBM /370Duration: 12 Months (01/90 - 12/90)Operating system: MVS/ESA, VM/SPTools: CMS, ISPF/PDF, SCRIPT/VS, DCF

Maintenance Tool for telecom servicesCustomer: Deutsche TelekomTrade: TelecommunicationsProgramming in Cobol, writing test scenarios, documentationDuration: 6 Months (07/89 - 12/89)Operating system: MVSDATABASE: VSAM, CICSProgramming languages: DELTA (Cobol)Tools: ISPF/PDF

Clearing system for DATEX-PCustomer: Deutsche TelekomTrade: TelecommunicationsProgramming, testing.Duration: 2 Months (05/89 - 06/89)Operating system: MVSDATABASE: VSAM, CICSProgramming languages: DELTA (Cobol)

Administration software for construction projects (DB)Customer: Deutsche BahnTrade: Transport / LogisticsDesign and programming of an PC application Duration: 5 Months (12/88 - 04/88)Operating system: MS/PC-DOSDATABASE: dBase III+Programming languages: CLIPPER, dBase III+Tools: SPF/PC, Saywhat!?, R&R-Reportgenerator

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